Effective evidence-based interventions exist for smoking cessation delivered over the Internet, but consumer acceptance and adherence remains low. Scalable and efficient mechanisms to disseminate these interventions online are needed, and existing online social networks provide a potential mechanism. This is a proposal for a randomized, factorial trial of the dissemination of an evidence-based intervention through the massive Facebook social network, with the goal of determining intervention characteristics that drive viral spread.

The investigators will measure the reproductive rate for each condition, in other words the average number of additional individuals that install the application for each original individual recruited to participate. Higher reproductive rates indicate more efficient and faster dissemination.

Application components hypothesized to increase the contagiousness of the app by increasing the passive diffusion of information from the user to their friends.

Other Name: Bp

Experimental: 3 - B-active

Behavioral: Facebook app - condition B-active

Application components hypothesized to increase the contagiousness of the app by increasing a users ability and desire to proactively contact others.

Other Name: Ba

Experimental: 4 - B-active, B-passive

Behavioral: Facebook app - condition B-active

Application components hypothesized to increase the contagiousness of the app by increasing a users ability and desire to proactively contact others.

Other Name: Ba

Behavioral: Facebook app - condition B-passive

Application components hypothesized to increase the contagiousness of the app by increasing the passive diffusion of information from the user to their friends.

Other Name: Bp

Experimental: 6 - z, B-passive

Behavioral: Facebook app - condition z

Application components hypothesized to increase the number of friends that a user has that are eligible to install the application.

Behavioral: Facebook app - condition B-passive

Application components hypothesized to increase the contagiousness of the app by increasing the passive diffusion of information from the user to their friends.

Other Name: Bp

Experimental: 7 - z, B-active

Behavioral: Facebook app - condition z

Application components hypothesized to increase the number of friends that a user has that are eligible to install the application.

Behavioral: Facebook app - condition B-active

Application components hypothesized to increase the contagiousness of the app by increasing a users ability and desire to proactively contact others.

Other Name: Ba

Experimental: 8 - z, B-active, B-passive

Behavioral: Facebook app - condition z

Application components hypothesized to increase the number of friends that a user has that are eligible to install the application.

Behavioral: Facebook app - condition B-active

Application components hypothesized to increase the contagiousness of the app by increasing a users ability and desire to proactively contact others.

Other Name: Ba

Behavioral: Facebook app - condition B-passive

Application components hypothesized to increase the contagiousness of the app by increasing the passive diffusion of information from the user to their friends.

Other Name: Bp

Experimental: 10 - t, B-passive

Behavioral: Facebook app - condition t

Application components hypothesized to increase the duration (t, time) that a participant spends using the application.

Behavioral: Facebook app - condition B-passive

Application components hypothesized to increase the contagiousness of the app by increasing the passive diffusion of information from the user to their friends.

Other Name: Bp

Experimental: 11 - t, B-active

Behavioral: Facebook app - condition t

Application components hypothesized to increase the duration (t, time) that a participant spends using the application.

Behavioral: Facebook app - condition B-active

Application components hypothesized to increase the contagiousness of the app by increasing a users ability and desire to proactively contact others.

Other Name: Ba

Experimental: 12 - t, B-active, B-passive

Behavioral: Facebook app - condition t

Application components hypothesized to increase the duration (t, time) that a participant spends using the application.

Behavioral: Facebook app - condition B-active

Application components hypothesized to increase the contagiousness of the app by increasing a users ability and desire to proactively contact others.

Other Name: Ba

Behavioral: Facebook app - condition B-passive

Application components hypothesized to increase the contagiousness of the app by increasing the passive diffusion of information from the user to their friends.

Other Name: Bp

Experimental: 14 - t, z

Behavioral: Facebook app - condition t

Application components hypothesized to increase the duration (t, time) that a participant spends using the application.

Behavioral: Facebook app - condition z

Application components hypothesized to increase the number of friends that a user has that are eligible to install the application.

Experimental: 15 - t, z, B-active

Behavioral: Facebook app - condition t

Application components hypothesized to increase the duration (t, time) that a participant spends using the application.

Behavioral: Facebook app - condition z

Application components hypothesized to increase the number of friends that a user has that are eligible to install the application.

Behavioral: Facebook app - condition B-active

Application components hypothesized to increase the contagiousness of the app by increasing a users ability and desire to proactively contact others.

Other Name: Ba

Experimental: 16 - t, z, B-active, B-passive

Behavioral: Facebook app - condition t

Application components hypothesized to increase the duration (t, time) that a participant spends using the application.

Behavioral: Facebook app - condition z

Application components hypothesized to increase the number of friends that a user has that are eligible to install the application.

Behavioral: Facebook app - condition B-active

Application components hypothesized to increase the contagiousness of the app by increasing a users ability and desire to proactively contact others.

Other Name: Ba

Behavioral: Facebook app - condition B-passive

Application components hypothesized to increase the contagiousness of the app by increasing the passive diffusion of information from the user to their friends.

Other Name: Bp

Eligibility

Ages Eligible for Study:

18 Years and older

Genders Eligible for Study:

Both

Accepts Healthy Volunteers:

Yes

Criteria

Inclusion Criteria:

Facebook user

Age 18 years or older

Entered UbiQUITous Facebook Application

Confirms smoker status

U.S. resident

Exclusion Criteria:

Non-smoker

Under 18 years old

Non-U.S. resident

Non-Facebook advertisement point of entry

Contacts and Locations

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study.
To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01746472